Home / 899,633.61-1,241,493.33-491,738.13

Finding the Fourth Proportional to 899,633.61, 1,241,493.33 and 491,738.13

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Solution

The fourth proportional to 899,633.61, 1,241,493.33 and 491,738.13 is: 678,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,633.61 : 1,241,493.33 = 491,738.13 : x
  2. Step 2: Convert to fraction form
    899,633.61/1,241,493.33 = 491,738.13/x
  3. Step 3: Cross multiply
    899,633.61x = 1,241,493.33 × 491,738.13
  4. Step 4: Simplify right side
    899,633.61x = 610,489,608,501.67
  5. Step 5: Solve for x
    x = 610,489,608,501.67/899,633.61
  6. Step 6: Final answer
    x = 678,598.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.